目录摘要.............................................................IABSTRACT........................................................II第一章 绪论......................................................11.1 课题的讨论背景与意义.........................................11.2 光伏并网发电系统简介.........................................11.3 光伏并网发电系统对逆变器的要求...............................21.4 本文的主要讨论内容...........................................2第二章 并网逆变器的设计及系统的工作原理..........................32.1 并网逆变器的选择.............................................32.1.1 并网逆变器结构的选择.........................................................32.1.2 并网逆变器回路方式的选择...................................................32.1.3 系统的总体方案..................................................................42.2 光伏并网发电系统的工作原理...................................52.2.1 前级电路的工作原理............................................................52.2.2 后级电路的工作原理............................................................6第三章 光伏并网发电系统的设计...................................83.1 主电路的设计.................................................83.2 控制电路及保护电路的设计.....................................83.2.2 并网同步的实现..................................................................83.2.3SPWM 波的产生................................................................113.2.4 保护电路..........................................................................123.3 驱动电路....................................................123.4 输出滤波电路................................................133.5 辅助电源设计................................................143.5.1 辅助电源的设计要求..........................................................143.5.2 辅助电源设计电路.............................................................143.6 系统的电磁兼容设计.........................................
